Instruction Manual alpha-pH 1000
14
5.2.1
How to enter and change parameters in Calibration mode
1)
Press the CAL key
. The upper display shows “000” and the lower
display shows “C.Cd” to prompt the user to enter the Calibration security
code.
2)
Press the
▲
or
▼
key
to scroll upper display to Calibration security
code “11”.
3)
Press the ENTER key
. If configured for pH control, the display shows
“CAL pH”. If configured for ORP control, the display shows “CAL OrP”.
4)
Press ENTER key
again to begin calibration. Refer to Section 6 for full details on calibration.
5)
Press the
▲
and
▼
keys
simultaneously (escape) to return to the Measurement mode.
NOTE:
To view (not change) the SETUP parameters, push the
ENTER
key when the security code reads
“000”.
5.2.1.1
Clearing the Calibration security code from the display
The calibration security code automatically resets from “11” to “000” after you return to Measurement mode, so
you do not need to clear the security code from the display.
5.2.2
How to enter and change parameters in Advanced Setup mode
1)
Press the ENTER key
once. The upper display shows “000” and the lower display shows “S.Cd” to prompt
you to enter the Advanced Setup security code.
2)
Press the
▲
or
▼
key
to scroll the display to Setup security code “22”.
3)
Press the ENTER key
.
4)
If configured for pH control, the upper display reads “OFS”.
5)
If configured for ORP control, the upper display reads “SP1”.
NOTE:
Pressing the
ENTER
key at a value other than “22” causes the controller to revert to the
Measurement mode.
6)
You are now in the Advanced Setup mode. See Section 7 for complete instructions. To return to
Measurement mode,
press the
▲
and
▼
keys
simultaneously (escape).
NOTE:
If you want to view (not change) set up parameters, push the
ENTER
key when the security code
reads “000”.
5.2.2.1
Clearing the Advanced Setup security code from the display
After you have entered the security code and returned to the Measurement mode, the security code “22” still
appears on the display whenever you press the
ENTER
key. To conceal the security code, you must manually
reset the code. To clear the Advanced Setup security code from the display:
1)
Press the ENTER key
in the Measurement mode.
2)
Set to any security code (not 11 or 22) and complete by pressing
ENTER
.
NOTE:
When you enter the Calibration mode with code “11” or Advanced Setup mode with security code
“22”, the unit automatically enters into the HOLD mode until you return back to Measurement mode. The
HOLD annunciator is displayed at the upper left of the display. While on HOLD, the current output is frozen
and set point relays are deactivated.
000
C.Cd
SETUP
HOLD